Tri-Cities Airport (PSC) 15 Day Weather Forecast, Pasco United States
Current weather conditions and 15 day weather forecast for Tri-Cities Airport in Pasco, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at PSC
| 11 September 2026 Fri 25 ° C ( 77°F )  Overcast |
Feels Like : 22.6 ° C / 72.7°F Humidity : % 25 Pressure : 1012 mb Wind Speed : 5 kmph / 3.1 miles from SE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Tri-Cities Airport, Pasco, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 11 September 2026 Fri | Overcast |
11.8 ° C | 25.8 ° C | 19.7 ° C | % 33 | 9.7 km/h | 5% |
| 12 September 2026 Sat | Overcast |
16.3 ° C | 25.6 ° C | 20.2 ° C | % 29 | 23.4 km/h | 45% |
| 13 September 2026 Sun |  Light drizzle |
12.3 ° C | 20.4 ° C | 15.7 ° C | % 63 | 35.6 km/h | 71% |
| 14 September 2026 Mon |  Sunny |
12.2 ° C | 22.8 ° C | 17.5 ° C | % 44 | 23 km/h | 2% |
| 15 September 2026 Tue | Sunny |
14.6 ° C | 23.5 ° C | 18.7 ° C | % 40 | 16.2 km/h | 3% |
| 16 September 2026 Wed | Sunny |
13.6 ° C | 25.6 ° C | 19.4 ° C | % 42 | 12.2 km/h | 1% |
| 17 September 2026 Thu | Sunny |
15.5 ° C | 28.5 ° C | 21.5 ° C | % 32 | 7.9 km/h | 1% |
| 18 September 2026 Fri | Overcast |
18.6 ° C | 30.6 ° C | 24.2 ° C | % 29 | 10.8 km/h | 8% |
| 19 September 2026 Sat | Overcast |
20.8 ° C | 31.7 ° C | 25.5 ° C | % 25 | 23.4 km/h | 17% |
| 20 September 2026 Sun | Sunny |
16.3 ° C | 28.1 ° C | 21.5 ° C | % 48 | 27.7 km/h | 17% |
| 21 September 2026 Mon | Sunny |
14.3 ° C | 24 ° C | 18.4 ° C | % 44 | 24.8 km/h | 2% |
| 22 September 2026 Tue | Overcast |
11.9 ° C | 19.5 ° C | 15.6 ° C | % 38 | 15.1 km/h | 5% |
| 23 September 2026 Wed | Sunny |
9.2 ° C | 17.5 ° C | 13.3 ° C | % 47 | 31 km/h | 17% |
| 24 September 2026 Thu | Sunny |
9.5 ° C | 17.3 ° C | 12.8 ° C | % 27 | 32 km/h | 2% |
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